A TDOA Measurement Technique for Asynchronous Indoor Localization System using UWB-IR
Ling, Rejina Wei Choi
Choi, Look Law
Date of Issue2016
2016 International Conference on Indoor Positioning and Indoor Navigation (IPIN)
School of Electrical and Electronic Engineering
Systems for indoor navigation differ substantially in implementation and maintenance effort as well as in costs. A system must work on any smart phone to ensure broad adoption and avoid isolated solutions. It must also work as automated as possible. A routing graph is commonly used for path planning. But generally, no routing graph exists and it must be computed. We propose a method to compute a routing graph from floor plans. We use conditional erosion to extract the graph. An approximation to the common routes through corridors and rooms can be calculated by a conditional query of every pixel of the grid based floor plan by means of predefined 3 × 3 image matrices. The grid data is then converted to edges and nodes. We evaluate the method on existing floor plan data of a test building of the HafenCity University of Hamburg.
© 2016 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works. The published version is available at: [http://www3.uah.es/ipin2016/usb/app/index.html].